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MicroRNAs and their potential for cancer development inhepatocellular and cholangiocellular carcinomas derived fromhepatic progenitor cells.

Research Project

Project/Area Number 19591576
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Digestive surgery
Research InstitutionChiba University

Principal Investigator

OHTSUKA Masayuki  Chiba University, 医学部附属病院, 講師 (90334185)

Co-Investigator(Kenkyū-buntansha) MIYAZAKI Masaru  千葉大学, 大学院・医学研究院, 教授 (70166156)
SHIMIZU Hiroaki  千葉大学, 大学院・医学研究院, 講師 (80272318)
YOSHITOMI Hideyuki  千葉大学, 医学部附属病院, 助教 (60375631)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords肝細胞癌 / 肝内胆管癌 / 肝前駆細胞 / 遺伝子発現プロファイリング / ezrin / Notch / microRNA
Research Abstract

肝切除時ミラノ基準内で、その後ミラノ基準外の再発をきたしたものと、肝切除時ミラノ基準外であったものの再発を認めなかった症例で比較すると67 遺伝子が前者で発現増強していた。肝細胞癌においては36%の症例にezrin 発現がみられ、CK19 の発現と有意に関連しており、それは独立した有意な再発危険因子であることを見出した。JHH1 株に対してsiRNA を利用し、ezrin 発現を抑制すると増殖能が抑制された。肝内胆管癌ではNotch2 が癌細胞に、そのリガンドであるJagged1 が癌細胞と間質細胞に発現していることを明らかにした。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (13 results)

All 2008 2007 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (5 results)

  • [Journal Article] Ezrin expression is associated withhepatocellular carcinoma possibly derivedfrom progenitor cells and early recurrence aftersurgical resection. Okamura D2008

    • Author(s)
      Ohtsuka M,Kimura F, Shimizu H, Yoshidome H, Kato M,Miyazaki M
    • Journal Title

      Mod Pathol 21

      Pages: 847-855

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Upregulation of topoisomerase Iia expressionin advanced gallbladder carcinoma : apotentialchemotherapeutictarget. Washiro M2008

    • Author(s)
      Ohtsuka M,Kimura F, Shimizu H, Yoshidome H, Sugimoto T,Seki N, Miyazaki
    • Journal Title

      J Cancer Res Clin Oncol 134

      Pages: 793-801

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Angiopoietin-2 levels in the hepatic vein as auseful predictor of tumor invasiveness andprognosis in hepatocellular carcionoma. KubokiS2008

    • Author(s)
      Shimizu H, Mitsuhashi N, Kusashio K,Kimura F, Yoshidome H, Ohtsuka M, Kato A,Yoshitomi H, Miyazaki M.
    • Journal Title

      J GastroenterolHepatol 23

      Pages: 157-164

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] FGF10/FGFR2 signal induces cell migrationand invasion in pancreatic cancer. Nomura S2008

    • Author(s)
      Yoshitomi H, Takano S, Shida T, Kobayashi S,Ohtsuka M, Kimura F, Shimizu H, Yoshidome H,Kato A, Miyazaki M
    • Journal Title

      Br J Cancer 99

      Pages: 305-313

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ezrin expression is associated with hepatocellular carcinoma possibly derived from progenitor cells and early after surgical reaction2008

    • Author(s)
      Okamura D, Ohtsuka M, et al
    • Journal Title

      Medern Pathology 21

      Pages: 847-855

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Upregulation of topoisomerase Iiα expression in advancedgallbladder carcinoma:a potential chemotherapeutic target2008

    • Author(s)
      Washiro M, Ohtsuka M, et al
    • Journal Title

      Journal of Cancer Research and Clinical Oncology 134

      Pages: 793-801

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ezrin expression is associated with hepatocellular carcinoma possibly derived from progenitor cells and early recurrence after surgical resection

    • Author(s)
      Okamura D, Ohtsuka M, et. al.
    • Journal Title

      Modern Pathology (In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Upregulation of topoisomerase IIα expression in advanced gallbladder carcinoma: a potential chemotherapeutic target

    • Author(s)
      Washiro M, Ohtsuka M, et. al.
    • Journal Title

      Journal of Cancer Research and Cinical Oncology (in press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 肝内胆管癌切除症例におけるリンパ節転移様式とその予後2008

    • Author(s)
      大塚将之、木村文夫、清水宏明、吉留博之、加藤厚、吉富秀幸、古川勝、三橋登、竹内男、屋敷吏、田浩介、野重紹、宮崎勝
    • Organizer
      第70回日本臨床外科学会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-29
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 肝内胆管癌に対する積極的外科切除を中心とした治療戦略2008

    • Author(s)
      大塚将之、木村文夫、清水宏明、吉留博之、加藤厚、野澤聡志、吉富秀幸、古川勝規、三橋登、竹内男、高屋敷吏、須田浩介、太田舞、宮崎勝
    • Organizer
      第44回日本肝癌研究会
    • Place of Presentation
      大阪
    • Year and Date
      2008-05-22
    • Related Report
      2008 Final Research Report
  • [Presentation] 肝内胆管癌に対する積極的外科切除を中心とした治療戦略2008

    • Author(s)
      大塚将之, 他
    • Organizer
      第44回肝癌研究会
    • Place of Presentation
      大阪
    • Year and Date
      2008-05-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] 腫瘤形成優越型肝内胆管癌に対する積極的外科切除の意義と限界2007

    • Author(s)
      太田舞、大塚将之、宮崎勝
    • Organizer
      第15回日本消化器病関連学会週間
    • Place of Presentation
      神戸
    • Year and Date
      2007-10-19
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 肝内胆管癌に対する積極的外科切除を中心とした治療成績の解析2007

    • Author(s)
      大塚将之、木村文夫、清水宏明、吉留博之、加藤厚、野澤聡志、吉富秀幸、古川勝規、三橋登、竹内男、須田浩介、吉岡伊作、宮崎勝
    • Organizer
      第43回肝癌研究会
    • Place of Presentation
      東京
    • Year and Date
      2007-06-22
    • Related Report
      2008 Final Research Report 2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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